. >> reporter: relief in the small community of midland city, alabama, following the dramatic rescue of a 5-year-old boy held captive for seven days in an underground bunker. late monday afternoon the words the tightly knit community had been waiting to hear. >> at 3:12 this afternoon, fbi agents safely recovered the child who has been held hostage for nearly a week. >> reporter: police say the boy was being held captive by this 65-year-old after dike boarded a stopped school bus last week, shot and killed driver charles poland and abducted the child. held for nearly a week in an underground bunker beneath dike's property, the fbi said negotiations deteriorated within the last 24 hours and that dike was observed holding a gun. >> at this point, fbi agents fearing the child was in imminent danger entered the bunker and rescued the child. >> reporter: nbc news learned a diversion airy device was used and the hostage rescue team endered through a door at the top of the bunker. >> it was by the grace of god, you know, he's okay. and that was the mission of every man and woman on this compound. >> re